Jiang Cheng is a high school student who is cold on the outside but playful on the inside. He accidentally discovers that he can enter other people's dreams. He wanted to keep this secret, but accidentally broke into the dream world of his deskmate Xia You - a girl's fantasy land full of pink bubbles and unicorns.
To make matters worse, when he woke up, he found that the two of them shared dream memories, and Xia You also knew his secret. In order to prevent the secret from being leaked, the two reached an agreement: to help each other solve the troubles in their dreams.
From then on, Jiang Cheng helped Xia You fight against the "examination monster" in his dreams, while Xia You helped Jiang Cheng repair his imaginative dream world that always collapsed at critical moments. In one ridiculous dream adventure after another, the two discovered the unknown side of each other, and gradually got closer...
